Nonstop flight route between Alamosa, Colorado, United States and Rennes, France:

About this route:

A direct, nonstop flight between San Luis Valley Regional Airport (ALS), Alamosa, Colorado, United States and Rennes–Saint-Jacques Airport (RNS), Rennes, France would travel a Great Circle distance of 4,918 miles (or 7,914 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between San Luis Valley Regional Airport and Rennes–Saint-Jacques Airport, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between San Luis Valley Regional Airport and Rennes–Saint-Jacques Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about San Luis Valley Regional Airport (ALS):

• Because of San Luis Valley Regional Airport's high elevation of 7,539 feet, planes must typically fly at a faster airspeed in order to takeoff or land at ALS. Combined with a high temperature, this could make ALS a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
• Federal Aviation Administration records say the airport had 7,161 passenger boardings in calendar year 2008, 6,279 in 2009 and 6,737 in 2010.
• San Luis Valley Regional Airport (ALS) has 2 runways.
• In addition to being known as "San Luis Valley Regional Airport", another name for ALS is "Bergman Field".
• The closest airport to San Luis Valley Regional Airport (ALS) is Stevens Field (FAA: PSO) (PGO), which is located 66 miles (106 kilometers) W of ALS.
• The furthest airport from San Luis Valley Regional Airport (ALS) is Sir Gaëtan Duval Airport (RRG), which is located 11,054 miles (17,790 kilometers) away in Rodrigues Island, Mauritius.

Facts about Rennes–Saint-Jacques Airport (RNS):

• The furthest airport from Rennes–Saint-Jacques Airport (RNS) is Chatham Islands (CHT), which is nearly antipodal to Rennes–Saint-Jacques Airport (meaning Rennes–Saint-Jacques Airport is almost on the exact opposite side of the Earth from Chatham Islands), and is located 12,048 miles (19,390 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• Rennes was attacked by Eighth Air Force B-17 Flying Fortress bombers on 9 January 1944, and was overflown on several night leaflet drops during the spring of 1944.
• The combat units moved out by the end of September and Rennes Airport was used as a supply and maintenance depot for American aircraft for several months, before being returned to French civil control on 30 November 1944.
• In addition to being known as "Rennes–Saint-Jacques Airport", another name for RNS is "Aéroport de Rennes – Saint-JacquesAdvanced Landing Ground (ALG) A-27".
• Because of Rennes–Saint-Jacques Airport's relatively low elevation of 124 feet, planes can take off or land at Rennes–Saint-Jacques Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• Rennes–Saint-Jacques Airport (RNS) has 3 runways.
• The closest airport to Rennes–Saint-Jacques Airport (RNS) is Dinard–Pleurtuit–Saint-Malo Airport (DNR), which is located 39 miles (63 kilometers) NNW of RNS.
• Due to the raising traffic in the Nantes Atlantique Airport, there is now an ongoing regional project to build a second large airport between Rennes and Nantes that will service both cities.